Screw Plug Immersion Heater, 1,500 W Watts, Sheath Material Copper, Screw Plug Material Brass, Watt Density 48 sq in, Heater Voltage 120V AC, 1 Phase, Overall Length 19 in, Control Range 60 Degrees to 250 Degrees F, 2 in NPT, Enclosure Type Terminal, Min. Immersion Depth 11 7/8 in, For Use With Water Applications, Includes Thermostat